India's key equity indices edged higher on Tuesday as technology shares rose, while a fall in lenders following the Punjab state government's farm loan waiver in the country's so-called granary capped gains. Shares of information technology companies including Infosys Ltd jumped tracking an overnight rebound in US technology stocks. Among mid-caps, Mindtree Ltd gained as much as 1.8 percent while Tata Elxsi Ltd rose as much as 2.5 percent.